Causes of Erectile Dysfunction Topic Guide

Causes of Erectile Dysfunction: To understand what causes erectile dysfunction or ED, it is important to first review how an erection occurs. For a man to have an erection, a complex process takes place ...

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Erectile Dysfunction FAQsErectile dysfunction (or ED), also called male impotence, describes a man's inability to achieve and maintain an erection of his penis sufficient for mutually satisfactory sexual intercourse with his partner. Erectile dysfunction is treatable with a variety of methods, including medications, devices and therapy. ED may be a symptom of other disorders and diseases such as high blood pressure or heart disease.